CN106780897B - Intelligent safety lock based on laser identification technology - Google Patents
Intelligent safety lock based on laser identification technology Download PDFInfo
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- CN106780897B CN106780897B CN201611207117.2A CN201611207117A CN106780897B CN 106780897 B CN106780897 B CN 106780897B CN 201611207117 A CN201611207117 A CN 201611207117A CN 106780897 B CN106780897 B CN 106780897B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/0023—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks with encription of the transmittted data signal
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/00238—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed
- G07C2009/00253—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed dynamically, e.g. variable code - rolling code
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
- G07C2009/00785—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by light
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an intelligent safety lockset based on a laser identification technology, which comprises a laser key for emitting laser password signals and a lock cylinder for unlocking the lockset, wherein the laser key comprises a laser emitting module for emitting the laser signals, a driving module for driving the laser emitting module to work, a dynamic coding and encrypting module for encrypting the laser signals and an emitting lens for collimating the laser signals, and the lock cylinder comprises a receiving lens for receiving the laser signals, a laser detection module for sorting the received laser signals, a signal identification module for identifying the received laser signals, a dynamic coding and decrypting module for decoding the received laser signals and a mechanical lock cylinder. The invention has simple structure, can improve the safety of the lockset, has strong confidentiality and is not easy to copy.
Description
Technical Field
The invention relates to an electronic lock, in particular to an intelligent safety lock based on a laser identification technology.
Background
The lockset is a product for protecting personal property, and aims to protect personal property safety and privacy safety. In increasingly complex social security environments, important barriers for ensuring life and property safety are provided when locks with good performance and high safety are used.
The existing lockset generally comprises a mechanical lock, a fingerprint lock and a coded lock, wherein the mechanical lock is opened by utilizing the matching of keys with different tooth shapes and lock cylinders, but the tooth shapes of the keys are easy to copy, the keys of the mechanical lock are easy to lose, and the lockset can be easily opened by anyone picking up the keys, so that the safety of the lockset is greatly reduced; the fingerprint lock utilizes the uniqueness of human fingerprints to identify the fingerprints through the optical fingerprint identification system, but the misjudgment rate of the optical fingerprint identification system is higher, fingerprint marks of users are left on the optical fingerprint identification system each time the fingerprints are used, the fingerprint marks have the risk of being copied, in addition, a plurality of devices for manufacturing fingerprint hand models appear on the market, and the use of the device is not safe for the users; the password of the coded lock is easy to crack or steal, and the safety is lower.
Disclosure of Invention
The invention aims to provide an intelligent safety lock based on a laser identification technology, which can improve the safety of the lock, has strong confidentiality and is not easy to copy.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the intelligent safety lockset based on the laser identification technology comprises a laser key for emitting laser password signals and a lock cylinder for unlocking the lockset, wherein the laser key comprises a laser emitting module for emitting the laser signals, a driving module for driving the laser emitting module to work, a dynamic coding encryption module for encrypting the laser signals and an emitting lens for collimating the laser signals, the output end of the dynamic coding encryption module is connected with the input end of the driving module, the output end of the driving module is connected with the output end of the laser emitting module, and the emitting lens is arranged at the front end of the laser emitting module;
the lock core comprises a receiving lens for receiving laser signals, a laser detection module for sorting the received laser signals, a signal identification module for identifying the received laser signals, a dynamic coding decryption module for decoding the received laser signals and a mechanical lock core, wherein the receiving lens is arranged at the front end of the laser detection module, the output end of the laser detection module is connected with the input end of the signal identification module, the output end of the signal identification module is connected with the input end of the dynamic coding decryption module, and the output end of the dynamic coding decryption module is connected with the mechanical lock core;
the driving module controls the laser emitting module to emit laser signals, the laser signals are emitted through the emitting lens, the receiving lens receives the laser coding signals and then tidies the laser coding signals through the laser detecting module, the signal identifying module identifies the tidied laser coding, the dynamic coding decryption module carries out authentication, and if the laser keys are matched, the lock core is opened.
The laser detection module comprises a photodiode, a sampling resistor, a noise reduction circuit, an amplifying circuit and a shaping circuit which are sequentially connected, and the output end of the shaping circuit is connected with the signal identification module.
The lock cylinder further comprises a state identification module and a WIFI module, the state identification module is connected with the mechanical lock cylinder, and the output end of the state identification module is connected with remote equipment through the WIFI module.
And the transmitting lens and the receiving lens are convex lenses.
The laser key also comprises a power module, and the power module is connected with the driving module.
The invention has the following beneficial effects:
(1) According to the invention, a laser identification technology is introduced into a traditional lockset, a common mechanical key is replaced by a laser transmitting device, a mechanical lock cylinder is replaced by a laser receiving device, and confidentiality and irreproducibility of laser signals are utilized to prevent the lockset from being invaded or cracked, so that the safety and reliability of the lockset are improved;
(2) The laser key is provided with the emission lens, the emission lens can reduce the divergence angle of the laser signal, the power density of the laser signal is improved, the laser detection module can receive enough laser energy conveniently, and meanwhile, the safety and the anti-copying performance of the lockset can be improved by reducing the divergence angle of the laser signal; the lock cylinder is provided with the receiving lens, the receiving lens can increase the optical gain of the laser detection module, the receiving sensitivity of the equipment is improved, meanwhile, the receiving lens can limit the receiving view field of the lock cylinder, the laser emitted by the laser key is ensured to be received by the lock, other laser signals are prevented from interfering the lock cylinder, and the safety and the reliability of the invention are improved;
(3) The noise reduction circuit is arranged in the laser detection module, the noise signal is suppressed by the noise reduction circuit, and the sensitivity of the laser detection module is improved, so that the laser signal can be identified when the power of the laser signal emitted by the laser key is very low, the identification capability of the laser detection module on the weak laser signal is improved, and the sensitivity of the laser detection is improved; in addition, because the power of the laser emitted by the laser key is low, the weak laser signal is not easy to identify by a general laser detector, so the invention has certain copy resistance;
(4) The invention utilizes dynamic encryption technology to decrypt the dynamic password sent by the laser key, thus verifying the laser key, because the dynamic password has dynamic property and randomness, a new dynamic password is generated when unlocking each time, because the dynamic password is random and irregular and can be circulated, the dynamic password is difficult to be decrypted by decryption software, the dynamic password cannot be used continuously after being used once, the leakage of the dynamic password in the transmission process or when the password is input is prevented, in addition, because the dynamic password is not easy to be decrypted, the dynamic password is changed randomly, and the password is changed before being decrypted, therefore, even if a laser signal is copied, the dynamic password cannot be decrypted, and the safety and the reliability of the invention are further improved;
(5) The lock core further comprises a WIFI module, the WIFI module can count, record and upload the state of the lock to a network, and the upper-level security data center can acquire the state of the lock through the network; meanwhile, when the lockset is attacked or destroyed, the lockset can carry out safety alarm on an upper-level safety data center, so that the safety of the invention is improved;
(6) In addition, the WIFI module and the dynamic decoding decryption module work relatively independently, and the WIFI module can only read the state of the mechanical lock core and cannot operate the mechanical lock core, so that the WIFI network can be isolated from the laser identification, the laser coding signal is prevented from being read through the WIFI module, and the safety and the reliability of the laser coding signal are guaranteed.
The invention has simple structure, can improve the safety of the lockset, has strong confidentiality and is not easy to copy.
Drawings
FIG. 1 is a schematic block diagram of a laser key according to the present invention;
FIG. 2 is a schematic block diagram of a lock cylinder according to the present invention;
fig. 3 is a schematic block diagram of a laser detection module according to the present invention.
Detailed Description
As shown in fig. 1 to 3, the invention includes a laser key for emitting a laser code signal and a lock core for unlocking a lock, the laser key includes a laser emitting module, a driving module, a dynamic coding encryption module and an emitting lens, the output end of the dynamic coding encryption module is connected with the input end of the driving module, the output end of the driving module is connected with the output end of the laser emitting module, the laser emitting module is used for emitting the laser code signal, the driving module is used for driving the laser emitting module to work, the dynamic coding encryption module is used for dynamically encrypting the laser signal emitted by the laser emitting module, the emitting lens is arranged at the front end of the laser emitting module and used for collimating the laser code signal, the emitting lens can reduce the divergence angle of the laser signal, the power density of the laser signal is improved, so that the laser detecting module can receive enough laser energy, meanwhile, the safety and the anti-duplication property of the lock can be improved by reducing the divergence angle of the laser signal.
The lock core includes receiving lens, laser detection module, signal identification module, dynamic coding decryption module, mechanical lock core, state identification module and WIFI module, receiving lens sets up in the front end of laser detection module for receiving laser signal, the output of laser detection module links to each other with the input of signal identification module, the output of signal identification module links to each other with the input of dynamic coding decryption module, the output of dynamic coding decryption module links to each other with mechanical lock core, laser detection module is used for the arrangement of received laser signal, signal identification module is used for discernment the signal of laser detection module output, dynamic coding decryption module is used for decoding the signal of signal identification module output, state identification module links to each other with mechanical lock core, be used for discernment mechanical lock core's state, the output of state identification module passes through the WIFI module and connects remote equipment, the WIFI module is used for sending mechanical lock core's state to remote equipment.
The receiving lens is arranged at the front end of the laser detection module and is used for receiving laser signals, the receiving lens can increase the optical gain of the laser detection module and improve the receiving sensitivity of equipment, meanwhile, the receiving lens can limit the receiving view field of the lock cylinder, the laser emitted by the laser key is received by the lock, interference of other laser signals on the lock cylinder is prevented, and the safety and reliability of the invention are improved.
The laser detection module comprises a photodiode, a sampling resistor, a noise reduction circuit, an amplifying circuit and a shaping circuit which are sequentially connected, wherein the output end of the shaping circuit is connected with the signal identification module, laser signals are converted into current signals through the photodiode and then into voltage signals through the sampling circuit, the voltage signals are noise-reduced through the noise reduction circuit and amplified through the amplifying circuit, and finally the signals which can be identified by the signal identification module are shaped through the shaping circuit.
When the dynamic coding and decrypting module works, the current moment is used as an uncertainty factor, the laser signal encrypted by the dynamic coding and encrypting module is used as a safety factor, the algorithm in the dynamic coding and decrypting module is utilized to verify the laser key, if the dynamic coding and decrypting module is matched with the laser key, the mechanical lock core is started, and otherwise, the mechanical lock core is not started. Because the clocks of the laser lock core and the laser key are kept synchronous, the same dynamic password can be calculated at the same time. The method has the advantages of simple operation and unidirectional data transmission, only the laser key is required to transmit the password data, and the laser lock core is not required to transmit the data back to the laser key. The working process of the dynamic coding decryption module is the prior art and is not repeated.
When the lockset needs to be unlocked, the driving module controls the laser emitting module to emit laser signals, the laser signals are coded code signals and are emitted through the emitting lens, the receiving lens receives the laser code signals and then collates the laser code signals, the signal recognizing module recognizes the collated laser codes, the dynamic code decrypting module finally authenticates the collated laser codes, and if the laser keys are matched, the lock core is unlocked.
The invention has simple structure, can improve the safety of the lockset, has strong confidentiality and is not easy to copy.
Claims (5)
1. Intelligent security tool to lock based on laser identification technique, its characterized in that: the laser key comprises a laser emission module for emitting laser signals, a driving module for driving the laser emission module to work, a dynamic coding encryption module for encrypting the laser signals and an emission lens for collimating the laser signals, wherein the output end of the dynamic coding encryption module is connected with the input end of the driving module, the output end of the driving module is connected with the output end of the laser emission module, and the emission lens is arranged at the front end of the laser emission module;
the lock core comprises a receiving lens for receiving laser signals, a laser detection module for sorting the received laser signals, a signal identification module for identifying the received laser signals, a dynamic coding decryption module for decoding the received laser signals and a mechanical lock core, wherein the receiving lens is arranged at the front end of the laser detection module, the output end of the laser detection module is connected with the input end of the signal identification module, the output end of the signal identification module is connected with the input end of the dynamic coding decryption module, and the output end of the dynamic coding decryption module is connected with the mechanical lock core;
the driving module controls the laser emitting module to emit laser signals, the laser signals are emitted through the emitting lens, the receiving lens receives the laser coding signals and then tidies the laser coding signals through the laser detecting module, the signal identifying module identifies the tidied laser coding, the dynamic coding decryption module carries out authentication, and if the laser keys are matched, the lock core is opened.
2. The intelligent security tool to lock based on laser identification technology of claim 1, wherein: the laser detection module comprises a photodiode, a sampling resistor, a noise reduction circuit, an amplifying circuit and a shaping circuit which are sequentially connected, and the output end of the shaping circuit is connected with the signal identification module.
3. The intelligent security tool to lock based on laser identification technology of claim 2, wherein: the lock cylinder further comprises a state identification module and a WIFI module, the state identification module is connected with the mechanical lock cylinder, and the output end of the state identification module is connected with remote equipment through the WIFI module.
4. A smart security lock based on laser identification technology as claimed in claim 3, wherein: and the transmitting lens and the receiving lens are convex lenses.
5. The intelligent security tool to lock based on laser identification technology of claim 4, wherein: the laser key also comprises a power module, and the power module is connected with the driving module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611207117.2A CN106780897B (en) | 2016-12-23 | 2016-12-23 | Intelligent safety lock based on laser identification technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611207117.2A CN106780897B (en) | 2016-12-23 | 2016-12-23 | Intelligent safety lock based on laser identification technology |
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| CN106780897A CN106780897A (en) | 2017-05-31 |
| CN106780897B true CN106780897B (en) | 2023-07-07 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215175A (en) * | 2017-07-03 | 2019-01-15 | 杭州峙汇科技有限公司 | Pumped FIR laser Electronic Coding lock |
| CN107610291A (en) * | 2017-09-13 | 2018-01-19 | 西安易朴通讯技术有限公司 | The control method of optical coded lock system and optical coded lock system |
| CN107945343B (en) * | 2017-12-06 | 2020-07-24 | 贾梦辉 | Triple laser characteristic coded anti-theft lock |
| CN115376227A (en) * | 2022-08-25 | 2022-11-22 | 中国科学院半导体研究所 | Light encryption intelligent door lock device and unlocking method thereof |
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